CN202058038U - Automatic tester of multiserial lithium battery control panel - Google Patents
Automatic tester of multiserial lithium battery control panel Download PDFInfo
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- CN202058038U CN202058038U CN2011201214847U CN201120121484U CN202058038U CN 202058038 U CN202058038 U CN 202058038U CN 2011201214847 U CN2011201214847 U CN 2011201214847U CN 201120121484 U CN201120121484 U CN 201120121484U CN 202058038 U CN202058038 U CN 202058038U
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- module
- resistance
- control module
- automatically controlled
- mcu control
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Abstract
The utility model discloses an automatic tester of a multiserial lithium battery control panel. The automatic tester includes an MCU control module, a signal amplifying circuit, a constant direct current load, an AC/DC conversion circuit, a DC/DC conversion circuit, a D/A conversion circuit, and a plurality of logical latches. The automatic tester uses the logical latches to realize the voltage control of each channel in the multiserial lithium battery control panel, and combines with the MCU control module to carry out the tests of over charge, over-discharge, loading, over current, short circuit, and leakage current. The tester has the advantages of high automation degree, rapid testing speed, and simple operation. The tester is provided with a control button set and a memory chip, so the parameter setting becomes easy and the tester is easy to maintain. The application scope of the tester is wide since the tester can be used by 4 to 18 multiserial lithium battery control panels. An LED display module can display the failure reason, thus providing convenience for failure analysis.
Description
Technical field
The utility model relates to the testing apparatus of the automatically controlled making sheet of lithium, the ATE (automatic test equipment) of the automatically controlled making sheet of especially a kind of many string lithiums.
Background technology
The automatically controlled making sheet of many string lithiums is applied to multiple occasions such as electric motor car, ups power, electric tool, solar cell, also there is not at present special proving installation on the market, existing lithium electric control board test device, it all is single lithium electric control board test instrument, can test automatically controlled making sheet of monolithic lithium or integrated testability and go here and there the automatically controlled making sheet of lithium more, can't the precision measurement analysis go here and there the lithium electricity situation of respectively going here and there of the automatically controlled making sheet of lithium more.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of many string lithiums automatically controlled making sheet auto testing instrument, and precision measurement is made in automatically controlled making sheet at many strings lithium.
The utility model for the technical scheme that solves its technical matters and adopt is: the automatically controlled making sheet auto testing instruments of a kind of many string lithiums comprise MCU control module, signal amplification circuit, Constant Direct Current load, AC/DC change-over circuit, DC/DC change-over circuit, D/A change-over circuit and some logic latch;
Described AC/DC change-over circuit conversion alternating current is direct current supply and draws supply line, between this supply line and the ground wire for the corresponding connections of many string automatically controlled making sheet of lithium to be measured; Described DC/DC change-over circuit is changed the DC voltage of described supply line and is powered at the MCU control module, some logics latch the controlling resistance module connect mutually the back one end connect described supply line, this connection supply lines terminal is drawn a pressure-wire, each logic latchs and all draws a pressure-wire between the controlling resistance module, the resistance value that described some logics latch the controlling resistance module is controlled by the MCU control module respectively, and described each pressure-wire can corresponding be connected to respectively going here and there between the automatically controlled making sheet of lithium of many strings to be measured automatically controlled making sheet of lithium in turn; Be connected with resistance on the described ground wire, described signal amplification circuit is found out the resistance both end voltage and is messaging in the MCU control module; Described MCU control module is by the magnitude of current of D/A change-over circuit control Constant Direct Current load.
As further improvement of the utility model, described auto testing instrument also comprises LCD display module, control key groups and storage chip; Described LCD display module is shown by the control of MCU control module, and described control key groups is delivered a letter and connected the MCU control module, and described storage chip is subjected to control of MCU control module and MCU control module data transmission.
As further improvement of the utility model, described logic latchs the controlling resistance module to be made up of five resistance and a logic latch, and described five resistance are parallel with one another, and wherein the place connection line of four resistance is subjected to logic latch control break-make.
As further improvement of the utility model, described auto testing instrument is provided with 16 logics and latchs the controlling resistance module.
The beneficial effects of the utility model are: realize each channel voltage control in the automatically controlled making sheet of many string lithiums by logic latch, in conjunction with the MCU control module overcharge, cross put, loading, excess current, short circuit and leakage current survey, the automaticity height, test speed is fast, and is simple to operate; Dispose control key groups and storage chip, make things convenient for parameter setting, be easy to safeguard; Applied range, the automatically controlled making sheet of 4～18 string lithiums all can be used; The LCD display module shows failure cause, is convenient to bad analysis.
Description of drawings
Fig. 1 is the utility model circuit theory synoptic diagram.
Embodiment
Below with reference to Fig. 1 preferred embodiment of the present utility model is elaborated.
Fig. 1 is the utility model circuit theory synoptic diagram, and the automatically controlled making sheet auto testing instrument of many string lithiums of the present utility model comprises MCU control module 1, signal amplification circuit 2, Constant Direct Current load 3, AC/DC change-over circuit 4, DC/DC change-over circuit 5, D/A change-over circuit 6 and some logic latch; Described AC/DC change-over circuit 4 conversion alternating currents are direct current supply and draw supply line, between this supply line and the ground wire for the corresponding connections of many string automatically controlled making sheet of lithium to be measured; The DC voltage of the described supply line of described DC/DC change-over circuit 5 conversions also is powered at MCU control module 1, some logics latch the controlling resistance module connect mutually the back one end connect described supply line, this connection supply lines terminal is drawn a pressure-wire, each logic latchs and all draws a pressure-wire between the controlling resistance module, the resistance value that described some logics latch the controlling resistance module is subjected to 1 control of MCU control module respectively, and described each pressure-wire can corresponding be connected to respectively going here and there between the automatically controlled making sheet of lithium of many strings to be measured automatically controlled making sheet of lithium in turn; Be connected with resistance R S on the described ground wire, described signal amplification circuit 2 is found out resistance R S both end voltage and is messaging in MCU control module 1; Described MCU control module 1 is by the magnitude of current of D/A change-over circuit 6 control Constant Direct Current loads 3.
In the present embodiment, described auto testing instrument also comprises LCD display module 7, control key groups 8 and storage chip 9; Described LCD display module 7 is shown by 1 control of MCU control module, and described control key groups 8 is delivered a letter and connected MCU control module 1, and described storage chip 9 is subjected to 1 control and MCU control module 1 data transmission of MCU control module.
Described logic latchs the controlling resistance module to be made up of five resistance and a logic latch, and described five resistance are parallel with one another, and wherein the place connection line of four resistance is subjected to logic latch control break-make.
Described auto testing instrument is provided with 16 logics and latchs the controlling resistance module.
Supply line connects the anodal BAT+ of the automatically controlled making sheet of many string lithiums in the present embodiment, ground wire connects the negative pole BAT-of the automatically controlled making sheet of many string lithiums, with the automatically controlled making sheet of 18 string lithiums is example, each is gone here and there between the automatically controlled making sheet of lithium and to connect the position that each logic latchs controlling resistance module extraction voltage line and be labeled as B1, B2, B3 successively from anodal BAT+ to negative pole BAT-... B16, first group of logic latchs in the controlling resistance module, four on-off switches of logic latch are labeled as S1A, S1B, S1C, S1D, and five resistance correspondence markings successively is R1, R1A, R1B, R1C, R1D; And the like, the 16 group of logic latchs in the controlling resistance module, and four on-off switches of logic latch are labeled as S16A, S16B, S16C, S16D, and five resistance correspondence markings successively is R16, R16A, R16B, R16C, R16D.
Main electrical parameter of present embodiment such as following table:
| Project | | Specification | |
| 1. battery | V | 4～16 |
|
| 2. each channel voltage scope | V C | 1.6V～4.5V | |
| 3.P+～P-loading current | I D | 0～ |
|
| 4. power supply power supply | V IN | AC |
|
| 5. maximum working voltage | V M | 60V. | |
| 6. test duration | I S | 80s |
Present embodiment function and principle analysis are as follows:
1. power supply supply: use the 220V mains-supplied, the 220V alternating current is converted to DC voltage for voltage between the automatically controlled making sheet both positive and negative polarity of many string lithiums BAT+～BAT-by D.C. regulated power supply on-off circuit (being the AC/DC change-over circuit), is being converted to 5V voltage by the DC/DC change-over circuit to the power supply of instrument inner modules such as MCU control module (single-chip microcomputer), storage block, D/A change-over circuit, Constant Current Load circuit.
2. each channel voltage: obtain by the precision resistance dividing potential drop, single-chip microcomputer is controlled by logic latch, is the example explanation with voltage between tie point B1～B2.Setting resistance R 1 is 1K, and resistance R 1A is 2K, and resistance R 1B is 4K, and resistance R 1C is 8K, and resistance R 1D is 8K, and voltage is calculated as V between the automatically controlled making sheet both positive and negative polarity of the lithium of going here and there BAT+～BAT-more
BAT=54V is set at 1 during switch closure, switch is 0 when disconnecting, and added value statement is as follows:
| Sequence number | S1A | S1B | S1C | S1D | Resistance |
| 1 | 0 | 0 | 0 | 0 | 1K |
| 2 | 0 | 0 | 0 | 1 | 0.89 |
| 3 | 0 | 0 | 1 | 0 | 0.89 |
| 4 | 0 | 0 | 1 | 1 | 0.8 |
| 5 | 0 | 1 | 0 | 0 | 0.8 |
| 6 | 0 | 1 | 0 | 1 | 0.73 |
| 7 | 0 | 1 | 1 | 0 | 0.73 |
| 8 | 0 | 1 | 1 | 1 | 0.67 |
| 9 | 1 | 0 | 0 | 0 | 0.67K |
| 10 | 1 | 0 | 0 | 1 | 0.62K |
| 11 | 1 | 0 | 1 | 0 | 0.62K |
| 12 | 1 | 0 | 1 | 1 | 0.57K |
| 13 | 1 | 1 | 0 | 0 | 0.57K |
| 14 | 1 | 1 | 0 | 1 | 0.53K |
| 15 | 1 | 1 | 1 | 0 | 0.53K |
| 16 | 1 | 1 | 1 | 1 | 0.5K |
Realize each interchannel change in voltage by controlling the resistance that each logic latchs the controlling resistance module.
3. overcharge, cross and put test: the output voltage of Single-chip Controlling tie point B1～B2 is made as V
C1, be in normal condition, overcharge voltage state and overdischarge voltage status respectively, allow other passage output normal voltage, voltage between detecting load and ground wire (among Fig. 1 between PACK+～PACK-voltage) is made as V
0, following table is the test event reference table:
| Sequence number | State | V C1 | |
| 1 | Normal condition | V C | V
BAT±0.1 |
| 2 | Overcharge state | V OV | V BAT-0.2～V BAT-0.5 |
| 3 | Cross the state of putting | V UL | 0～0.1V |
* V wherein
C, V
OV,, V
ULBe set by the user.
Detect 16 each passage continuously, other lane testing method is identical.
4. loading, excess current, short-circuit test: single-chip microcomputer output digital signal, convert the electric current that simulating signal is controlled the Constant Direct Current load to by the D/A change-over circuit, be made as I
D, voltage between single-chip microcomputer detecting load and ground wire (among Fig. 1 between PACK+～PACK-voltage), following table is the test event reference table:
| Sequence number | State | I D | |
| 1 | Stress state | I O | V
BAT-0.3～ |
| 2 | Over-current state | I OC | 0～0.1 |
| 3 | Short-circuit condition | I S | 0～0.1V |
* I wherein
O, I
OC, I
SBe set by the user.
5. leakage current test: when control panel was in normal condition, signal amplification circuit also sent the amplification of resistance R S terminal voltage to single-chip microcomputer after the A/D conversion, compares with user's setting value.
6.LCD show: single-chip microcomputer transmission data are given the LCD display module, show detecting information, and fault is shown on screen, are convenient to maintenance.
7. parameter setting: memory chip stores user's setting data, the user can be equipped with by control button and LCD display module, and parameter is set will be write a yard device and be written in the storage block appropriate address by relevant.
The major advantage of present embodiment is: operating in a key, and the automaticity height, the test speed piece, simple to operate; Simple in structure, volume is little, and cost is low, extras such as no computer; Be easy to safeguard, make things convenient for parameter setting; Applied range, 4～18 series lithium battery control panels all can use; LCD shows failure cause, is convenient to bad analysis.
Claims (4)
1. the automatically controlled making sheet auto testing instrument of string lithium more than a kind is characterized in that: comprise MCU control module (1), signal amplification circuit (2), Constant Direct Current load (3), AC/DC change-over circuit (4), DC/DC change-over circuit (5), D/A change-over circuit (6) and some logic latch;
Described AC/DC change-over circuit (4) conversion alternating current is direct current supply and draws supply line, between this supply line and the ground wire for the corresponding connections of many string automatically controlled making sheet of lithium to be measured; The DC voltage of the described supply line of described DC/DC change-over circuit (5) conversion also is powered at MCU control module (1), some logics latch the controlling resistance module connect mutually the back one end connect described supply line, this connection supply lines terminal is drawn a pressure-wire, each logic latchs and all draws a pressure-wire between the controlling resistance module, the resistance value that described some logics latch the controlling resistance module is subjected to MCU control module (1) control respectively, and described each pressure-wire can corresponding be connected to respectively going here and there between the automatically controlled making sheet of lithium of many strings to be measured automatically controlled making sheet of lithium in turn; Be connected with resistance (RS) on the described ground wire, described signal amplification circuit (2) is found out resistance (RS) both end voltage and is messaging in MCU control module (1); Described MCU control module (1) is by the magnitude of current of D/A change-over circuit (6) control Constant Direct Current load (3).
2. the automatically controlled making sheet auto testing instrument of many string lithiums according to claim 1, it is characterized in that: described auto testing instrument also comprises LCD display module (7), control key groups (8) and storage chip (9); Described LCD display module (7) is shown by MCU control module (1) control, and described control key groups (8) is delivered a letter and connected MCU control module (1), and described storage chip (9) is subjected to MCU control module (1) control and MCU control module (1) data transmission.
3. the automatically controlled making sheet auto testing instrument of many string lithiums according to claim 1, it is characterized in that: described logic latchs the controlling resistance module and is made up of five resistance and a logic latch, described five resistance are parallel with one another, and wherein the place connection line of four resistance is subjected to logic latch control break-make.
4. the automatically controlled making sheet auto testing instrument of many string lithiums according to claim 1, it is characterized in that: described auto testing instrument is provided with 16 logics and latchs the controlling resistance module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201214847U CN202058038U (en) | 2011-04-22 | 2011-04-22 | Automatic tester of multiserial lithium battery control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201214847U CN202058038U (en) | 2011-04-22 | 2011-04-22 | Automatic tester of multiserial lithium battery control panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202058038U true CN202058038U (en) | 2011-11-30 |
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ID=45018008
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201214847U Expired - Lifetime CN202058038U (en) | 2011-04-22 | 2011-04-22 | Automatic tester of multiserial lithium battery control panel |
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| Country | Link |
|---|---|
| CN (1) | CN202058038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749571A (en) * | 2011-04-22 | 2012-10-24 | 昆山金鑫新能源科技有限公司 | Automatic tester for multi-string lithium battery control panel |
-
2011
- 2011-04-22 CN CN2011201214847U patent/CN202058038U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749571A (en) * | 2011-04-22 | 2012-10-24 | 昆山金鑫新能源科技有限公司 | Automatic tester for multi-string lithium battery control panel |
| CN102749571B (en) * | 2011-04-22 | 2015-01-28 | 昆山金鑫新能源科技有限公司 | Automatic tester for multi-string lithium battery control panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111130 Effective date of abandoning: 20150128 |
|
| RGAV | Abandon patent right to avoid regrant |